git clone . clone
'
+test_expect_success 'set up rebase scenarios' '
+ # temporarily enable an actual ident for this setup
+ test_config user.email foo@example.com &&
+ test_commit new &&
+ git branch side-without-commit HEAD^ &&
+ git checkout -b side-with-commit HEAD^ &&
+ test_commit side
+'
+
+test_expect_success 'fast-forward rebase does not care about ident' '
+ git checkout -B tmp side-without-commit &&
+ git rebase master
+'
+
+test_expect_success 'non-fast-forward rebase refuses to write commits' '
+ test_when_finished "git rebase --abort || true" &&
+ git checkout -B tmp side-with-commit &&
+ test_must_fail git rebase master
+'
+
+test_expect_success 'fast-forward rebase does not care about ident (interactive)' '
+ git checkout -B tmp side-without-commit &&
+ git rebase -i master
+'
+
+test_expect_success 'non-fast-forward rebase refuses to write commits (interactive)' '
+ test_when_finished "git rebase --abort || true" &&
+ git checkout -B tmp side-with-commit &&
+ test_must_fail git rebase -i master
+'
+
+test_expect_success 'noop interactive rebase does not care about ident' '
+ git checkout -B tmp side-with-commit &&
+ git rebase -i HEAD^
+'
+
+test_expect_success 'fast-forward rebase does not care about ident (preserve)' '
+ git checkout -B tmp side-without-commit &&
+ git rebase -p master
+'
+
+test_expect_success 'non-fast-forward rebase refuses to write commits (preserve)' '
+ test_when_finished "git rebase --abort || true" &&
+ git checkout -B tmp side-with-commit &&
+ test_must_fail git rebase -p master
+'
+
test_done